.EventHelper {
  position: relative;
  width: 100%;
  height: 100%;
}

.EventHelper__CameraPos {
  position: absolute;
  width: 160px;
  height: 144px;
  outline: 10px solid red;
}

.EventHelper__PosMarker {
  position: absolute;
  width: 16px;
  height: 8px;
  background: red;
}

.EventHelper__OverlayPos {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 144px;
  outline: 80px solid black;
  overflow: hidden;
}

.EventHelper__OverlayPos__Overlay {
  position: absolute;
  width: 256px;
  height: 256px;
  background: blue;
}
